KR101550331B1 - 자성 유체를 사용한 시일 장치 - Google Patents
자성 유체를 사용한 시일 장치 Download PDFInfo
- Publication number
- KR101550331B1 KR101550331B1 KR1020147003788A KR20147003788A KR101550331B1 KR 101550331 B1 KR101550331 B1 KR 101550331B1 KR 1020147003788 A KR1020147003788 A KR 1020147003788A KR 20147003788 A KR20147003788 A KR 20147003788A KR 101550331 B1 KR101550331 B1 KR 101550331B1
- Authority
- KR
- South Korea
- Prior art keywords
- rolling bearing
- magnetic fluid
- magnet
- yoke
- magnetic
- Prior art date
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/762—Sealings of ball or roller bearings by means of a fluid
- F16C33/763—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap
- F16C33/765—Sealings of ball or roller bearings by means of a fluid retained in the sealing gap by a magnetic field
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/664—Retaining the liquid in or near the bearing
- F16C33/6644—Retaining the liquid in or near the bearing by a magnetic field acting on a magnetic liquid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7886—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted outside the gap between the inner and outer races, e.g. sealing rings mounted to an end face or outer surface of a race
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/82—Arrangements for electrostatic or magnetic action against dust or other particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/40—Sealings between relatively-moving surfaces by means of fluid
- F16J15/43—Sealings between relatively-moving surfaces by means of fluid kept in sealing position by magnetic force
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2210/00—Fluids
- F16C2210/02—Fluids defined by their properties
- F16C2210/06—Fluids defined by their properties magnetic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/40—Application independent of particular apparatuses related to environment, i.e. operating conditions
- F16C2300/62—Application independent of particular apparatuses related to environment, i.e. operating conditions low pressure, e.g. elements operating under vacuum conditions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2011-244067 | 2011-11-08 | ||
JP2011244067 | 2011-11-08 | ||
PCT/JP2012/076394 WO2013069403A1 (fr) | 2011-11-08 | 2012-10-12 | Dispositif d'étanchéité utilisant un fluide magnétique |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20140033517A KR20140033517A (ko) | 2014-03-18 |
KR101550331B1 true KR101550331B1 (ko) | 2015-09-04 |
Family
ID=48289787
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020147003788A KR101550331B1 (ko) | 2011-11-08 | 2012-10-12 | 자성 유체를 사용한 시일 장치 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20150316101A1 (fr) |
EP (1) | EP2778449B1 (fr) |
JP (1) | JP5928738B2 (fr) |
KR (1) | KR101550331B1 (fr) |
CN (1) | CN103732934B (fr) |
TW (1) | TWI541453B (fr) |
WO (1) | WO2013069403A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015108434A (ja) * | 2013-10-25 | 2015-06-11 | エドワーズ株式会社 | 保護ベアリング、軸受装置及び真空ポンプ |
JP2015117755A (ja) * | 2013-12-18 | 2015-06-25 | イーグル工業株式会社 | ころがり軸受 |
CN103953650B (zh) * | 2014-03-19 | 2016-05-25 | 浙江万里学院 | 磁性液体密封的双列滚动轴承及其密封方法 |
JP6419478B2 (ja) * | 2014-07-25 | 2018-11-07 | Ntn株式会社 | 転がり軸受 |
CN105317848B (zh) * | 2014-07-29 | 2017-12-12 | 古洛布莱株式会社 | 磁流体密封式轴承及具备该轴承的钓鱼用卷线器 |
TWI558929B (zh) * | 2014-09-02 | 2016-11-21 | 應用奈米科技股份有限公司 | 可擺動及位移之密封軸承組件 |
JP6791872B2 (ja) * | 2015-11-11 | 2020-11-25 | イーグルブルグマンジャパン株式会社 | 磁性流体シール |
CN105834013A (zh) * | 2016-06-01 | 2016-08-10 | 李波 | 制笔离心机 |
DE102018201827A1 (de) * | 2017-02-28 | 2018-08-30 | Aktiebolaget Skf | Wälzlager |
US10746354B2 (en) | 2017-05-24 | 2020-08-18 | Hexagon Technology, As | Threaded boss for pressure vessel |
CN109357019B (zh) * | 2018-11-13 | 2023-09-08 | 中山瑞科新能源有限公司 | 一种具有传动辊和磁流体密封传动装置的真空设备 |
US11174947B2 (en) * | 2019-01-24 | 2021-11-16 | Tsinghua University | Magnetic liquid sealing device having heat conductive rod and heat dissipating jacket |
CN114251368B (zh) * | 2021-11-25 | 2023-10-27 | 广西科技大学 | 一种轴承用嵌入式磁流体密封装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011174547A (ja) | 2010-02-24 | 2011-09-08 | Eagle Industry Co Ltd | ころがり軸受及び装置 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3746407A (en) * | 1971-08-13 | 1973-07-17 | Litton Systems Inc | Ferrohydrodynamic low friction bearing |
US4043616A (en) * | 1976-05-27 | 1977-08-23 | Aaron Zimmer | Bearing cartridge assembly |
SU655858A1 (ru) * | 1977-11-01 | 1979-04-05 | Ивановский энергетический институт им. В.И.Ленина | Уплотнительно-опорный узел вала |
US4407518A (en) * | 1983-01-05 | 1983-10-04 | Ferrofluidics Corporation | Nonbursting multiple-stage ferrofluid seal and system |
US4628384A (en) * | 1983-08-26 | 1986-12-09 | Ferrofluidics Corporation | Bearing assembly with integrated ferrofluid seal |
NL8601017A (nl) * | 1986-04-21 | 1987-11-16 | Skf Ind Trading & Dev | Wentellager. |
US4898480A (en) * | 1987-02-09 | 1990-02-06 | Ferrofluidics Corporation | Compact ferrofluidic electrically conducting sealed bearing |
US4797013A (en) * | 1987-02-09 | 1989-01-10 | Ferrofluidics Corporation | Compact ferrofluidic electrically conducting sealed bearing |
JPS63177325U (fr) * | 1987-04-28 | 1988-11-17 | ||
JPS63101520A (ja) | 1987-08-08 | 1988-05-06 | Nippon Seiko Kk | 密封型ころがり軸受 |
JPH0276224U (fr) * | 1988-11-30 | 1990-06-12 | ||
JPH11166597A (ja) * | 1997-12-02 | 1999-06-22 | Harmonic Drive Syst Ind Co Ltd | 回転導入機 |
DE10044056A1 (de) * | 1999-09-01 | 2001-06-13 | Mediport Kardiotechnik Gmbh | Drehrichtungsunabhängiges hydrodynamisches Gleitlager unter Verwendung einer Magnetflüssigkeit als Schmiermittel |
JP2003254446A (ja) | 2002-03-04 | 2003-09-10 | Nok Corp | 磁性流体シール装置 |
CN201023037Y (zh) * | 2007-04-25 | 2008-02-20 | 西安拓普电气有限责任公司 | 一种立式真空捏合机用密封机构 |
US9022660B2 (en) * | 2010-07-05 | 2015-05-05 | Eagle Industry Co., Ltd. | Rolling bearing |
WO2012005202A1 (fr) * | 2010-07-05 | 2012-01-12 | イーグル工業株式会社 | Palier de roulement |
US8920035B2 (en) * | 2010-07-05 | 2014-12-30 | Eagle Industry Co., Ltd. | Rolling bearing |
-
2012
- 2012-10-12 CN CN201280039560.7A patent/CN103732934B/zh active Active
- 2012-10-12 WO PCT/JP2012/076394 patent/WO2013069403A1/fr active Application Filing
- 2012-10-12 KR KR1020147003788A patent/KR101550331B1/ko active IP Right Grant
- 2012-10-12 EP EP12847570.4A patent/EP2778449B1/fr active Active
- 2012-10-12 US US14/130,247 patent/US20150316101A1/en not_active Abandoned
- 2012-10-12 JP JP2013542899A patent/JP5928738B2/ja active Active
- 2012-10-17 TW TW101138218A patent/TWI541453B/zh active
-
2017
- 2017-06-09 US US15/618,665 patent/US20170276178A1/en not_active Abandoned
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011174547A (ja) | 2010-02-24 | 2011-09-08 | Eagle Industry Co Ltd | ころがり軸受及び装置 |
Also Published As
Publication number | Publication date |
---|---|
US20170276178A1 (en) | 2017-09-28 |
KR20140033517A (ko) | 2014-03-18 |
CN103732934A (zh) | 2014-04-16 |
JP5928738B2 (ja) | 2016-06-01 |
US20150316101A1 (en) | 2015-11-05 |
EP2778449A4 (fr) | 2016-01-27 |
EP2778449A1 (fr) | 2014-09-17 |
JPWO2013069403A1 (ja) | 2015-04-02 |
CN103732934B (zh) | 2016-05-18 |
TWI541453B (zh) | 2016-07-11 |
TW201326601A (zh) | 2013-07-01 |
EP2778449B1 (fr) | 2020-04-15 |
WO2013069403A1 (fr) | 2013-05-16 |
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